PO8_MatrixNumbers2

public class PO8_MatrixNumbers2 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = Integer.parseInt(scanner.nextLine());
        String result = "";


        for (int i = 1; i <= n; i++) {
            int j;
            for (j = i; j <=n ; j++) {
                System.out.print(j + " ");
            }
            for (int k = i-1; k >=1; k--) {
                System.out.print(j + " ");
                j++;

            }
            System.out.println();
            }

        }
}